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Stibiobetafite Mineral Data
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General Stibiobetafite Information
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 Chemical Formula: |
(Sb+++,Ca)2(Ti,Nb,Ta)2(O,OH)7 |
| Composition: |
Molecular Weight = 433.88 gm |
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Calcium 10.16 % Ca 14.22 % CaO |
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Tantalum 16.68 % Ta 20.37 % Ta2O5 |
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Titanium 9.93 % Ti 16.57 % TiO2 |
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Niobium 14.99 % Nb 21.44 % Nb2O5 |
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Tin 2.74 % Sn 3.47 % SnO2 |
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Antimony 19.64 % Sb 23.51 % Sb2O3 |
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Hydrogen 0.05 % H 0.42 % H2O |
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Oxygen 25.81 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca1.1Sb0.7Sn0.1Ti0.9Nb0.7Ta0.4O6.8(OH)0.2 |
| Environment: |
Replacement masses and in veinlets, in a granite pegmatite in a serpentinite. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Vezna, Czech Republic. Link to MinDat.org Location Data. |
| Name Origin: |
Named for antimony (STIBium) in its composition and membership in the betafite subgroup of the pyrochlore group. |
| Name Pronunciation: |
Stibiobetafite + Pronunciation  |
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